diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/mmap_unix_test.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/mmap_unix_test.go | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/mmap_unix_test.go b/vendor/golang.org/x/sys/unix/mmap_unix_test.go new file mode 100644 index 0000000..3258ca3 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mmap_unix_test.go @@ -0,0 +1,35 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build darwin dragonfly freebsd linux netbsd openbsd solaris + +package unix_test + +import ( + "testing" + + "golang.org/x/sys/unix" +) + +func TestMmap(t *testing.T) { + b, err := unix.Mmap(-1, 0, unix.Getpagesize(), unix.PROT_NONE, unix.MAP_ANON|unix.MAP_PRIVATE) + if err != nil { + t.Fatalf("Mmap: %v", err) + } + if err := unix.Mprotect(b, unix.PROT_READ|unix.PROT_WRITE); err != nil { + t.Fatalf("Mprotect: %v", err) + } + + b[0] = 42 + + if err := unix.Msync(b, unix.MS_SYNC); err != nil { + t.Fatalf("Msync: %v", err) + } + if err := unix.Madvise(b, unix.MADV_DONTNEED); err != nil { + t.Fatalf("Madvise: %v", err) + } + if err := unix.Munmap(b); err != nil { + t.Fatalf("Munmap: %v", err) + } +} |